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VID 28011
Severity 30
Port 139
Protocol TCP
Class SMB
Detailed Description The shares of the system is accessed with no password.
And a vulnerability may exist in the password verification scheme utilized by Microsoft Windows 9x/Me SMB protocol implementation. This vulnerability will allow any user to access the Windows 9x file shared service with password protection. Potential attackers don't have to know the share password.

* Platforms Affected :
Microsoft Windows ME, 98, 95

* References:
http://www.iss.net/security_center/static/2358.php
Recommendation 1. If do not need, remove the shares.

2. If do need necessarily, use after setting password.

3. If the system has a security flaw in the password verification scheme of shares, go to the following site, and download and install a patch.

Windos ME:
Microsoft patch 273991USAM
http://download.microsoft.com/download/winme/Update/11958/WinMe/EN-US/273991USAM.EXE

Windows 98se:
Microsoft patch 273991USA8
http://download.microsoft.com/download/win98SE/Update/11958/W98/EN-US/273991USA8.EXE

Windows 98:
Microsoft patch 273991USA8
http://download.microsoft.com/download/win98SE/Update/11958/W98/EN-US/273991USA8.EXE

Windows 95:
The patches are not available. The only way is not to make shares anymore.
Related URL CVE-1999-0519,CVE-1999-0520 (CVE)
Related URL (SecurityFocus)
Related URL (ISS)